CVE-2025-24201
CRITICALCISA KEVEPSS 90th pctlDescription
An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in Safari 18.3.1, iOS 15.8.4 and iPadOS 15.8.4, iOS 16.7.11 and iPadOS 16.7.11, iOS 18.3.2 and iPadOS 18.3.2, iPadOS 17.7.6, macOS Sequoia 15.3.2, visionOS 2.3.2, watchOS 11.4. Maliciously crafted web content may be able to break out of Web Content sandbox. This is a supplementary fix for an attack that was blocked in iOS 17.2. (Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 17.2.).
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploit Intelligence
Elevated risk: more likely to be exploited than 90% of all known CVEs.
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
Apple iOS, iPadOS, macOS, and other Apple products contain an out-of-bounds write vulnerability in WebKit that may allow maliciously crafted web content to break out of Web Content sandbox. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Remediation due: 2025-04-03
References
- https://support.apple.com/en-us/122281
- https://support.apple.com/en-us/122283
- https://support.apple.com/en-us/122284
- https://support.apple.com/en-us/122285
- https://support.apple.com/en-us/122345
- https://support.apple.com/en-us/122346
- https://support.apple.com/en-us/122372
- https://support.apple.com/en-us/122376
- http://seclists.org/fulldisclosure/2025/Apr/16
- http://seclists.org/fulldisclosure/2025/Apr/7
- http://seclists.org/fulldisclosure/2025/Jun/19
- http://seclists.org/fulldisclosure/2025/Mar/2
- http://seclists.org/fulldisclosure/2025/Mar/3
- http://seclists.org/fulldisclosure/2025/Mar/4
- http://seclists.org/fulldisclosure/2025/Mar/5
- http://seclists.org/fulldisclosure/2025/Oct/1
- http://seclists.org/fulldisclosure/2025/Oct/31
- https://github.com/JGoyd/Glass-Cage-iOS18-CVE-2025-24085-CVE-2025-24201
- https://github.com/cisagov/vulnrichment/issues/194
- https://lists.debian.org/debian-lts-announce/2025/06/msg00016.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24201
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-03.